A survey found that 38% of extermination companies treated bedbugs in office buildings in 2011, compared with only 18% in 2010.

Even bedbugs, which need human blood to survive and normally come out at night while their targets are sleeping, will alter their habits in offices and bite people during the daytime.

7. "Say goodbye to walls."

Modern companies have moved away from the cube, and open office setups -- with continuous desks and few private offices.

Employees working from home on laptops and tablets are griping about more neck and shoulder pain, say experts, and supporting devices like iPads could contribute to musculoskeletal disorders in the wrist.

8. "An open-plan office won’t cure your ills."

Noise and lack of speech privacy, since there is little shielding workers’ from their colleagues’ phone conversations.

Without walls, co-workers freely drop in on each other, and each distraction costs additional minutes in recovery time.

9. "It's not just your computer that’s freezing."

One of the biggest problems is that office buildings in North America are typical overcooled in the summertime and overheated in the winter.

A lab found that tasks like proofreading, text typing and simple arithmetic deteriorated when the temperature moved outside the comfort zone.

10. "Beware of your co-worker the criminal."

Pricey pocket electronics like smartphones and iPads are increasingly disappearing while workers are on the clock.